Harp-action.



PATENTED FEB. 5, 1907.

G. A. LINDEMAN. HARP ACTION.

APPLICATION FILED APR.25,1906.

I INVENTOR WITNESSES.-

ATTORNEYS Patented Feb. 5 190'? ail wI wm it may concern:

' linown that I Cnnnrns of l s UL tec States, i o, in t is county of Cool; and 5: V i rave 'nvented "W and proveinent in Harp-Actions, of wlnei for" "cation.

1L iLlllSt th spring; can b position o I i l l l l so that Stine -aclicns; and t tion is to provide means to ly against ti any rat ling" when ti f g ibo' 11y invention, The invent'on consists of the I to secure y ture ho oine s utter fully desoribcd, pc i in the clainis, and

ing aw ch Figure 1 is a de ail sectional view a part of the ont wild back actioi harp, she my attachment in pl 2 1s a vis'v tiic inner face or" the i i i1, ADSHO enc upon the tion-pla o, tion. Fig. 3 is sid of the back action-plate. sec on on the line 4% 4 of Fig' perspective v'ew of th nut. l spective view of a knurle d nit aaa Within the nut shown in Fig. 5.

1 drawings, A and n soectively, front and back action a harp.

l? 18 a SDLlCllZ slotted shown at his soiidle mandrel C ans {MSG the s regulator C. The tubu la teriorly-threaded p ortion D, W ed into a suitable opening in A, and the nut D is interior y a1 1 iallv fluted, i hown at D i sl sleeve E has a nurl-sd porti l. to "fit Within the tubular 1111 i d outer end of the sleeve in and dianistrieally slotted, as Sin The slotted end portion ofthe s jocts within th sleeve E, all sleeve is arranged a coil-spri' V W its end portions ent seinitircula v transversely with respect to the body v tion of the spring, as shown at 1 One of these end portions F of the spring n compristlire adci 

